They have grown up together.

“They’re my girls, three of my best friends to this day,” America Ferrera told Us Weekly in 2015. “I was 20 when I met them, I am 30 now, and they are still three of my best friends and supporters. Why I love that movie so much was at that time there wasn’t a lot of sisterhood and stories of young girls being supportive of each other.”(Photos: Getty Images)

Over the past decade, TheSisterhood of the Traveling Pants stars have appeared alongside one another as businesswomen and more recently as mothers but always as the best of friends. For this #ThrowbackThursday, let’s take a closer look at their bond to see exactly what it takes to maintain years of squad goals.